摘要
行车信号在火车行驶过程中起着非常重要的作用。定期在线检测电气化铁道轨道电路参数，可确保信号设备工作在最佳状态，避免行车事故。本文介绍了已研制成功的二元轨道电路参数测试装置的组成原理、技术性能及应用。
Rail circuit signal can ensure the safety of train-running. The electric parameters of rail circuit must be measured periodically to check if the signal system is in good condition and to avoid accident. The paper introduces the compositive principles,technical features and the application of the developed dualistic rail circuit to parameter testing equipment.
关键词
二元轨道电路
测试装置
电气化铁路
electrical railway,dualistic rail circuit,RC filters,microcontroller measure equipment
